Hooray! It's time for our collaboration with the ever-awesome What is it? Blog. This week brings us this strange lookin' object. Can you guess what it is for?
Place your guess in the comment section - no prize this week, so you're playing for bragging rights only.
For more clues, check out the What is it? Blog! Good luck!
Update 1/24/09 - the answer is:A tool used to remove carbon deposits from the gooves of a piston, patent number 1,768,692. Text on it reads: "Owatonna Tool Co. #840, Made in Owatonna, Minn. USA".